Corrected entry: When Paige and Walter are in the balloon, Paige is blacking out due to lack of oxygen. Happy, over the radio, gives her instructions, and when there's no confirmation, she yells "Dineen!" (the actress who plays Paige).

Correction:No. Dineen is the character Paige's last name. The actress that plays Paige is Katharine McPhee.

Walter accesses code on the sick girl's laptop to trace the source of the virus - aside from the fact that the code comes straight up a fraction of a second after his hands even touch the keyboard, the code displayed in the black window is for a set of traffic lights, with lines like "Walk/Dont_Walk" and "Green_Arrow/Yellow_Slow."